BioShock Infinite

Press Up(2), Down(2), Left, Right, Left, Right, B, A at the main menu. Note: Enabling this code will unlock the "Should Auld Acquaintance..." achievement, and will not prevent other achievements from being unlocked.

Successfully complete the game.

Complete the following achievements to unlock Xbox Live Gamerscore points.

Tin Soldier (10 points): Completed the game on Easy difficulty or above.

Saw the Elephant (25 points): Completed the game on Normal difficulty or above.

Stone Cold Pinkerton (50 points): Completed the game on Hard difficulty or above.

Auld Lang Syne (75 points): Completed the game on 1999 mode.

Should Auld Acquaintance... (10 points): Unlocked 1999 mode.

Industrial Accident (5 points): Killed 20 enemies with a Sky-Hook Execution.

Aerial Assassin (5 points): Killed 20 enemies with a Sky-Line Strike.

A Real Pistol (5 points): Killed 25 enemies with the Broadsider Pistol.

Passionately Reciprocated (5 points): Killed 150 enemies with the Founder Triple R Machine Gun or Vox Repeater.

Street Sweeper (5 points): Killed 50 enemies with the Founder China Broom Shotgun or Vox Heater.

Big Game Hunter (5 points): Killed 100 enemies with the Founder Huntsman Carbine or Vox Burstgun.

Loose Cannon (5 points): Killed 25 enemies with the Paddywhacker Hand Cannon.

On a Clear Day... (5 points): Killed 30 enemies with the Bird's Eye Sniper Rifle.

Here Little Piggy (5 points): Killed 30 enemies with the Founder Pig Volley Gun or Vox Hail Fire.

Master of Pyrotechnics (5 points): Killed 20 enemies with the Barnstormer RPG.

Seasoned to Taste (5 points): Killed 30 enemies with the Peppermill Crank Gun.

Well Rounded (10 points): Used all 8 Vigors against enemies.

Vigorous Opposition (50 points): Killed 75 enemies either with a Vigor or while the enemy is under the effects of a Vigor.

More for Your Money (25 points): Lured 3 enemies into a single Vigor trap 5 times.

Combination Shock (50 points): Performed all 8 of the Vigor combinations.

Mind Over Matter (10 points): Killed 20 enemies using Possessed machines.

Tear 'em a New One (25 points): Opened 30 Tears.

Strange Bedfellows (10 points): Killed 20 enemies using allies brought in through a Tear.

On the Fly (10 points): Killed 30 enemies while riding a Sky-Line.

Bolt From the Blue (25 points): Killed 5 enemies with a headshot while riding a Sky-Line.

Hazard Pay (25 points): Killed 10 enemies by utilizing environmental hazards.

Bon Voyage (25 points): Killed 20 enemies by knocking them off Columbia.

Skeet Shoot (25 points): Killed 5 enemies while they are falling.

Lost Weekend (10 points): Killed 5 enemies while you are drunk. (Video)

David & Goliath (10 points): Killed 20 "Heavy Hitter" enemies.

Heartbreaker (50 points): Killed a Handyman by only shooting his heart. (Video)

Dress for Success (5 points): Equipped a piece of Gear in all four slots.

Kitted Out (10 points): Fully upgraded one weapon and one Vigor.

Raising the Bar (10 points): Upgraded one attribute (Health, Shield, or Salts) to its maximum level.

Infused with Greatness (25 points): Collected every Infusion upgrade in a single game.

Sightseer (50 points): Used all telescopes and Kinetoscopes in the game. (Video)

The Roguish Type (25 points): Used Elizabeth to pick 30 locks.

Eavesdropper (50 points): Collected every Voxophone. (Video) (Video)

Grand Largesse (10 points): Spent $10,000 at the vending machines of Columbia.

Coins in the Cushion (10 points): Looted 200 containers.

Scavenger Hunt (75 points): Completed the game in 1999 mode without purchasing anything from a Dollar Bill vending machine.

Additionally there are nine secret achievements.

Written in the Clouds (5 points): Completed Lighthouse.

Welcome to Monument Island (10 points): Reached Monument Island.

Shock Tactics (10 points): Retrieved Shock Jockey.

First Class Ticket (10 points): Boarded The First Lady.

Armed Revolt (10 points): Assisted the Gunsmith.

Working Class Hero (25 points): Completed Factory.

Blood in the Streets (25 points): Completed Emporia.

Higher Learning (25 points): Completed Comstock House.

The Bird or The Cage (25 points): Completed The Hand of the Prophet.

Enter the cemetery where Lady Comstock's mausoleum is located. Search the gravestones to the left of the entrance to her grave. One of the graves is features the handwritten word "SNIGHT", which is a reference to Mike Snight, a member of the development team.

Exit the gondola station and ride the Sky-Line for the first time. Ride the Sky-Line until you stop, then shoot the single soldier who is facing away. Reload the last checkpoint and repeat the process as many times as needed. Note: Headshots done while hanging from hooks will not qualify.